EP1494664A2 - Therapie combinatoire pour le traitement de la maladie de parkinson a l'aide d'un ou de plusieurs inhibiteurs de cyclooxygenase-2 (cox 2) - Google Patents

Therapie combinatoire pour le traitement de la maladie de parkinson a l'aide d'un ou de plusieurs inhibiteurs de cyclooxygenase-2 (cox 2)

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Publication number
EP1494664A2
EP1494664A2 EP03719717A EP03719717A EP1494664A2 EP 1494664 A2 EP1494664 A2 EP 1494664A2 EP 03719717 A EP03719717 A EP 03719717A EP 03719717 A EP03719717 A EP 03719717A EP 1494664 A2 EP1494664 A2 EP 1494664A2
Authority
EP
European Patent Office
Prior art keywords
cox
inhibitor
amount
prodrug
isomer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03719717A
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German (de)
English (en)
Inventor
Diane T. Stephenson
Peter C. Isakson
Timothy J. Maziasz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pharmacia LLC
Original Assignee
Pharmacia LLC
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Filing date
Publication date
Application filed by Pharmacia LLC filed Critical Pharmacia LLC
Publication of EP1494664A2 publication Critical patent/EP1494664A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365—Lactones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline 
    • A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/415—1,2-Diazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A61P25/16—Anti-Parkinson drugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention relates to methods for the treatment of Parkinson's disease. More particularly, the present invention is directed to methods for the treatment of Parkinson's disease with cyclooxygenase-2 (COX 2) inhibitor(s) and second drug(s) in combination therewith.
  • COX 2 cyclooxygenase-2
  • Parkinson's disease is a serious neurodegenerative disorder afflicting millions of people world-wide. It is believed that more than 1% of the population over 65 years of age is afflicted with PD. Standaert et al., Update on the Management of Parkinson's Disease, Contemporary Clinical Neurology, Vol. 77, No. 1, pp. 169-183 (January 1993).
  • Prevalent PD related symptoms include resting tremors (e.g., shaking or 4-8 Hz pill rolling tremor of one hand which is maximal at rest, diminishes during movement and is absent during sleep; trembling on one side or both sides of the body in the hands, arms, legs, jaw, and face), rigidity (muscle stiffness; "ratchet” type resistance to classic movement), bradykinesia (a reduction in the amount of spontaneous movement, loss of normal movement and/or slow initiation of voluntary movement), and postural defects (inability to maintain an upright posture of the trunk, especially while standing or walking often manifested as as a stooped postural position together with a gait).
  • resting tremors e.g., shaking or 4-8 Hz pill rolling tremor of one hand which is maximal at rest, diminishes during movement and is absent during sleep
  • rigidity muscle stiffness; "ratchet” type resistance to classic movement
  • bradykinesia a reduction in the amount of spontaneous movement, loss of normal movement
  • Additional signs of PD include reduced blinking, microphonia (a lowered voice volume characterized by speaking softly in monotone voice), micrographia (typically, reduced writing width size with increase in vertical character height manifested as small, cramped, spidery handwriting), impaired ocular conversion, sialorrhea (excessive salivation), and/or seborrhea (abnormally facial oily appearance on the forehead), loss of facial expression, and freezing (especially when crossing a doorway), sleeping difficulties (inability/difficulty with changing position during sleep), swallowing difficulties, constipation, fatigue or general malaise, losing track of a word or thought, irritability or sadness for no apparent reason, lack of expression in the face, lack of animation, depression, hallucinations, senility, emotional changes, urinary problems, skin problems, among others.
  • microphonia a lowered voice volume characterized by speaking softly in monotone voice
  • micrographia typically, reduced writing width size with increase in vertical character height manifested as small, cramp
  • PD therapy is limited to symptomatic relief of PD associated symptoms. Accordingly, such therapy does not arrest the continuing neurodegenerative nature of PD. Consequently, the symptoms of PD continue to worsen over time.
  • patients become bedridden, unable to eat, and tend to aspirate (inhale material into the respiratory tract) often. At such point, patients require full-time supportive care.
  • the neurological degenerative changes associated with PD include the gradual loss of dopaminergic neurons in the substantia nigra pars compacta, resulting in a continuing loss of dopaminergic terminals in the striatum.
  • PD responds better to symptomatic drug treatment.
  • PD becomes more resistant to drug treatment requiring larger and/or more frequent dosing with drugs that yield an attenuated beneficial result for increasingly shorter periods of time.
  • prolonged treatment with higher and/or more frequent doses results in undesirable side effects from the drug treatment itself.
  • levodopa is the gold standard for the treatment of PD.
  • BBB blood brain barrier
  • the levodopa is converted to dopamine which provides symptomatic relief of PD.
  • levodopa alone is administered orally, only about 1% reaches the brain where it is converted to dopamine.
  • Orally administered levodopa is metabolized by a decarboxylase enzyme into a metabolite form that does not easily cross the BBB. Up to 99% of orally administered levodopa is metabolized by decarboxylase and is then unable to cross the BBB. To increase the amount of levodopa that crosses the BBB into the brain, the decarboxylase metabolization of levodopa is blocked with a decarboxylase inhibitor known as carbidopa. Thus, when co-administered with carbidopa, a substantially increased amount of levodopa reaches the brain where levodopa is converted to dopamine, which counteracts the undesirable symptoms of PD.
  • levodopa When co-administered with carbidopa, the beneficial effects of levodopa become more pronounced in combating the symptoms of PD.
  • levodopa's effectiveness typically lasts for about 5 years after initiation of therapy with levodopa/carbidopa therapy. Thereafter, continued use of levodopa is much less effective in the treatment of PD and its continued use is associated with numerous side effects. See Lang et al. at 1135, Table 3, listing various problems associated with prolonged levodopa PD therapy.
  • COX 1 has been shown to be a constitutively produced enzyme that is involved in many of the non-inflammatory regulatory functions associated with prostaglandins.
  • COX 2 is an inducible enzyme having significant involvement in the inflammatory process. See, Needleman, P. et al, J. Rheumatol, 24, Suppl.49:6 - 8 (1997). See, Fu, J. Y., et al, J. Biol. Chem., 265(28): 16737-40 (1990).
  • the new COX 2-selective inhibitors are believed to offer advantages that include avoiding harmful side effects associated with the inhibition of COX 1.
  • Information on the identification and or use of cyclooxygenase-2 - selective inhibitors can be found in references such as: (1) Buttgereit, F. et al, Am. J. Med., 110(3 Suppl. l) ⁇ 3-9 (2001); (2) Osiri, M. et al, Arthritis Care Res., 12(5):35l-62 (1999); (3) Buttar, N.S. et al, Mayo Clin. Proc, 75(70j: 1027-38 (2000); (4) Wollheim, F. A., Current Opin.
  • the invention is directed to a novel method for the treatment, inhibition and/or prevention of PD (and/or its symptoms) comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, wherein said COX 2 inhibitor comprises a chro ene that is a substituted benzopyran or is a chroman.
  • COX 2 inhibitor comprises a chro ene that is a substituted benzopyran or is a chroman.
  • the invention is directed to a novel method for the treatment, inhibition and/or prevention of PD comprising administering, to a subject in need thereof, a therapeutically effective amount of cyclooxygenase-2 selective inhibitor which is I, II, III, IV, V, B-l, B-2, . . . B-231, or B-232 or combination(s) thereof (or an an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof, respectively), and a second drug which is C-l, C-2, C-3, C-4. . . C-60, C-61, C-62, C-63, C-64, C- 65, C-66, C-67.
  • cyclooxygenase-2 selective inhibitor which is I, II, III, IV, V, B-l, B-2, . . . B-231, or B-232 or combination(s) thereof (or an an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof, respectively
  • COX 2 inhibitors suitable for use with the present inventive method include, but are not limited to, those COX 2 inhibitors disclosed in Tables 1 and 1A below.
  • R , R , R 4 , n and G are as described herein.
  • R 3 , R 1 , R 15 , and D are as described herein.
  • Drugs suitable for use as second drugs in combination with the COX 2 inhibitors of the present invention include, but are not limited to, neurotrophic factors, dopaminergics, dopamine agonists, neuronal nicotinic receptor agonists, k opioid receptor agonists, adenosine antagonists, glutamate antagonists, dopamine transport inhibitors, anticholinergics, enzyme inhibitors, atypical neuroletics, selective serotonin reuptake inhibitors, monoamine reuptake inhibitors, anti-apoptotics, adrenocortical steroids, antioxidants, drugs offsetting side effects of PD medications, and drugs that otherwise treat PD.
  • neurotrophic factors include, but are not limited to, neurotrophic factors, dopaminergics, dopamine agonists, neuronal nicotinic receptor agonists, k opioid receptor agonists, adenosine antagonists, glutamate antagonists, dopamine transport inhibitors, anticholinergics, enzyme inhibitors,
  • Table 2 may function by additional means or in a different manner from that associated with the decriptions for their broader categories within which they are classified.
  • the second drugs may also ftinction according to mechanisms as yet unkown.
  • Neurotrophic factors are characterized as having an ability to promote the repair or replacement of neurons or otherwise restore lost neuron function.
  • Dopaminergics generally function by introducing, replenishing, or promoting the release of, brain dopamine.
  • Dopamine agonists are generally agonists for any of the dopamine receptors D1-D5, particularly receptors Dl and/or D2, where such dopamine agonists can delay or prevent complications associated with PD by mimicking dopamine 's role in the brain and or enhancing brain dopamine levels.
  • Neuronal nicotinic receptor agonists are generally those drugs that enhance striatal dopamine, the release of norepinephrine in the cortex, or the release of acetylcholine in the frontal cortex and hippocampus, possibly resulting in decreased motor and cognitive disturbances and/or beneficial neurotrophic effects.
  • the K opioid receptor agonists are generally drugs that cause a presynaptic reduction in glutamate release, mitigating any of a number of PD symptoms, particularly in combination with levodopa.
  • Adenosine antagonists generally suppress adenosine levels and may reduce output of striatal neurons projecting to the external segment of the globus pallidus (indirect pathway) by increased GABA-mediated feedback inhibition and reduced acetylcholine release.
  • Glutamate antagonists generally suppress glutamate levels and may potentiate the effects of levodopa, reduce dyskinesias, and possibly offer neurotrophic effects.
  • Dopamine transport inhibitors generally act to increase endogenous dopamine in the synaptic cleft and may reduce any of a number of symptoms of PD and possibly offer neuroprotective effects due to the blocking of the uptake of toxins into dopaminergic neurons.
  • Anticholinergics may reduce the amount of acetylcholine in the corpus striatum of the brain to offset the lack of dopamine in the substantia nigra, or may function as acetycholine receptor antagonists.
  • Enzyme inhibitors are generally inhibitors of monoamine oxidase A (MAO-
  • A monoamine oxidase B
  • B catechol-o-methyltransferase
  • Atypical neuroleptics are generally those drugs that reduce any of the neurological effects associated with PD, including bradykinesia, rigidity, tremor, restlessness (akathisia), etc.
  • Selective serotonin reuptake inhibitors are a category of antidepressants that have been found to have therapeutic potential in treating the depression, dementia, and akinesia found in PD patients.
  • Monoamine reuptake inhibitors intensify brain monoamine neurotransmitters (e.g., norepinephrine) at its post-synaptic receptor sites.
  • Anti-apoptotics inhibit apoptosis and/or mitochondrial dysfunction, which are thought to be involved in the aetiology of neurodegenerative diseases.
  • Adrenocortical steroids generally interact with specific receptor proteins to regulate the expression of corticosteriod-responsive genes, thereby changing the levels and array of proteins synthesized.
  • Antioxidants may reduce the physiological tendency for the occurance of potentially cell-damaging oxidation reactions.
  • Antioxidants include enzymes involved in the metabolism of oxygen radicals (e.g. O " ) or the inhibitors of ezymes leading to the production of such radicals.
  • Antioxidants also include free radical scavengers that may react directly with oxygen radicals and chelating agents that bind trace metals that can catalyze oxidation reactions.
  • Other drugs may be used primarily to offset the side effects of PD medications, which side effects may include nausea, vomiting, hallucinations, nervousness, diarrhea, and the like.
  • Other drugs for the treatment of PD and/or its symptoms function by as yet unknown or undefined mechanisms. According to one embodiment of the present invention, such drugs (see Table 2) are administered in combination with the COX 2 inhibitors of Tables 1 and 1A. Also see Tables 2A-2B. Examples of drugs within the categories described above include, but are not limited to, those given in Table 2 below: TABLE 2
  • B-41 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35,
  • B-42 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l 1, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67, C-
  • B-43 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-44 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-86 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l 1, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67, C-
  • B-88 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-ll, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35,
  • B-l 65 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67
  • B-l 66 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35,
  • B-l 68 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-ll, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-170 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-171 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-ll, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67, C-
  • B-172 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-ll, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67, C-
  • B-l 73 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-ll, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-174 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-200 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-201 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-202 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-203 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35, C-36, C-37, C-38, C-39, C-40, C-41, C-42, C-43, C-44, C-45, C-46, C-47, C-48, C-49, C-50, C-51, C-52, C-53, C-54, C-55, C-56, C-57, C-58, C-59, C-60, C-61, C-62, C-63, C-64, C-65, C-66, C-67,
  • B-204 In combination with one or more of C-l, C-2, C-3, C-4, C-5, C-6, C-7, C-8, C-9, C-10, C-l l, C-12, C-13, C-14, C-15, C- 16, C-17, C-18, C-19, C-20, C-21, C-22, C-23, C-24, C-25, C-26, C-27, C-28, C-29, C-30, C-31, C-32, C-33, C-34, C-35,
  • B-l B- Factors 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-l l, B-12, B- 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-63, B-64
  • Dopaminergics In combination with one or more of I, II, III, IV, V, B-l, B- 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-l l, B-12, B- 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-63, B-64
  • Dopamine In combination with one or more of I, II, III, IV, V, B-l, B- Agonists 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-l l, B-12, B- 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-63, B
  • K Opioid In combination with one or more of I, II, III, IV, V, B-l, B- Receptor 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-11, B-12, B- Agonists 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-
  • Adenosine In combination with one or more of I, II, III, IV, V, B-l, B- Antagonists 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-11, B-12, B-
  • Glutamate In combination with one or more of I, II, III, IV, V, B-l, B- Antagonists 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-11, B-12, B- 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-63, B-64, B
  • Anticholinergics In combination with one or more of I, II, III, IV, V, B-l, B- 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-11, B-12, B- 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-63, B-64, B-
  • B-l B- Neuroleptics 2, B-3, B-4, B-5, B-6, B-7, B-8, B-9, B-10, B-11, B-12, B- 13, B-14, B-15, B-16, B-17, B-18, B-19, B-20, B-21, B-22, B-23, B-24, B-25, B-26, B-27, B-28, B-29, B-30, B-31, B-32, B-33, B-34, B-35, B-36, B-37, B-38, B-39, B-40, B- 41, B-42, B-43, B-44, B-45, B-46, B-47, B-48, B-49, B-50, B-51, B-52, B-53, B-54, B-55, B-56, B-57, B-58, B-59, B- 60, B-61, B-62, B-63, B-64, B-
  • the invention is directed to a novel method for the treatment of PD comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, wherein said COX 2 inhibitor comprises a chromene that is a substituted benzopyran, or is a chroman.
  • COX 2 cyclooxygenase-2
  • the invention is directed to a novel method for the treatment of PD comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor is selected from the group consisting of substituted benzothiopyrans, dihydroquinolines, or dihydronaphthalenes having the general Formula (I):
  • n is an integer which is 0,1, 2, 3 or 4; wherein G is O, S or NR a ; wherein R a is alkyl; wherein R 1 is selected from the group consisting of H and aryl; wherein R 2 is selected from the group consisting of carboxyl, aminocarbonyl, alkylsulfonylaminocarbonyl and alkoxycarbonyl; wherein R is selected from the group consisting of haloalkyl, alkyl, aralkyl, cycloalkyl and aryl optionally substituted with one or more radicals selected from alkylthio, nitro and alkylsulfonyl; and wherein each R is independently selected from the group consisting of one or more radicals selected from H, halo, alkyl, aralkyl, alkoxy, aryloxy, heteroaryloxy, aralkyloxy, heteroaralkyl
  • the invention is also directed to a novel method for the treatment of PD comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor has the general Formula (II):
  • Formula (II) is not celecoxib (B-18) or rofecoxib (B-21) as listed in Table 1A above, wherein:
  • D is selected from the group consisting of partially unsaturated or saturated heterocyclyl and partially unsaturated or saturated carbocyclic rings;
  • Rl3 is selected from the group consisting of heterocyclyl, cycloalkyl, cycloalkenyl and aryl, wherein R*3 j$ optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylammo, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • Rl4 is methyl or amino
  • R!5 is H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonylalkyl, aminocarbonyl, aminocarbonylalkyl, alkylaminocarbonyl, N- ary
  • the invention is also directed to a novel method for the treatment of PD comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor has the general Formula (II):
  • D is selected from the group consisting of partially unsaturated or saturated heterocyclyl and partially unsaturated or saturated carbocyclic rings;
  • R ⁇ 3 is selected from the group consisting of heterocyclyl, cycloalkyl, cycloalkenyl and aryl, wherein R 3 is .optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • Rl4 is methyl or amino
  • R ⁇ 5 is H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonylalkyl, aminocarbonyl, aminocarbonylalkyl, alkylaminocarbonyl, N-
  • the invention is also directed to a novel method for the treatment of PD comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor has the general Formula (II):
  • D is selected from the group consisting of partially unsaturated or saturated heterocyclyl and partially unsaturated or saturated carbocyclic rings;
  • Rl3 i selected from the group consisting of heterocyclyl, cycloalkyl, cycloalkenyl and aryl, wherein Rl3 i s optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • Rl4 is methyl or amino
  • R!5 is H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonylalkyl, aminocarbonyl, aminocarbonylalkyl, alkylaminocarbonyl, N- ary
  • the present invention is also directed to a novel method for the treatment of PD comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor comprises a phenylacetic acid derivative represented by the general Formula
  • R is methyl or ethyl; R )7 is chloro or fluoro; R 18 is hydrogen or fluoro;
  • R 19 is hydrogen, fluoro, chloro, methyl, ethyl, methoxy, ethoxy or hydroxy
  • R >20 is hydrogen or fluoro
  • R 2 ' is chloro, fluoro, trifluoromethyl or methyl, provided that R .1 1 7 , R , R , 1 ⁇ 9 y and R ,2 ⁇ 0 ⁇ are not all fluoro when R 1 J 6 O is ethyl and R 19 is H.
  • the invention is directed to a method for the treatment of Parkinson's disease comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor is represented by Formula (IV): or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof, wherein: X is O or S;
  • J is a carbocycle or a heterocycle
  • R 22 is NHSO 2 CH 3 or F
  • R 23 is H, NO 2 , or F
  • R 24 is H, NHSO 2 CHvantage or (SO 2 CH 3 )C 6 H 4 .
  • the invention is directed to a method for the treatment of Parkinson's disease comprising administering, to a subject in need thereof, a cyclooxygenase-2 (COX 2) inhibitor in a first amount and a second drug in a second amount, wherein said first amount together with said second amount is a therapeutically effective amount of said COX 2 inhibitor and said second drug, and wherein said COX 2 inhibitor has the structural Formula (V):
  • T and M independently are phenyl, naphthyl, a radical derived from a heterocycle comprising 5 to 6 members and possessing from 1 to 4 heteroatoms, or a radical derived from a saturated hydrocarbon ring having from 3 to 7 carbon atoms;
  • Q 1 , Q 2 , L 1 or L 2 are independently hydrogen, halogen, lower alkyl having from 1 to 6 carbon atoms, trifluoromethyl, or lower methoxy having from 1 to 6 carbon atoms; and at least one of Q 1 , Q 2 , L 1 or 2 is in the para position and is -S(O) n -R, wherein n is 0, 1, or 2 and R is a lower alkyl radical having 1 to 6 carbon atoms or a lower haloalkyl radical having from 1 to 6 carbon atoms, or an -
  • Q 1 and Q 2 are methylenedioxy
  • L 1 and L 2 are methylenedioxy
  • R , R , R , and R are independently hydrogen, halogen, lower alkyl radical having from 1 to 6 carbon atoms, lower haloalkyl radical having from 1 to 6 carbon atoms, or an aromatic radical selected from the group consisting of phenyl, naphthyl, thienyl, fttryl and pyridyl; or, R 25 and R 26 are O; or, R 27 and R 28 are O; or, R 25 , R 26 , together with the carbon atom to which they are attached, form a saturated hydrocarbon ring having from 3 to 7 carbon atoms; or,
  • R 27 , R 28 together with the carbon atom to which they are attached, form a saturated hydrocarbon ring having from 3 to 7 carbon atoms.
  • the present invention is also directed to a novel method of treating, improving or preventing a cyclooxygenase-2 mediated disorder in a subject, said method comprising treating the subject having or susceptible to said disorder with a therapeutically-effective amount of a pharmaceutical composition comprising any one of the cyclooxygenase-2-selective inhibitors described above and any one of the second drugs or categories of second drugs described above.
  • PD can be treated by administering one or more cyclooxygenase-2 selective inhibitor(s) disclosed in Tables 1 and 1A above to subject(s) in need of such treatment, in combination with one or more second drugs disclosed in Table 2 or within the genera] categories of drugs disclosed in Table 2.
  • the amount of the cyclooxygenase-2-selective inhibitor(s) and the second drug(s) used in the treatment of PD is selected so that the amount is therapeutically effective for the treatment, inhibition and/or prevention of PD.
  • hydroxido and H denote a single hydrogen atom.
  • This hydrido radical may be attached, for example, to an oxygen atom to form a hydroxyl radical or two hydrido radicals may be attached to a carbon atom to form a methylene (-CH -) radical.
  • haloalkyl alkylsulfonyl
  • alkoxyalkyl alkoxyalkyl
  • hydroxyalkyl the term “alkyl” embraces linear or branched radicals having one to about twenty carbon atoms or, preferably, one to about twelve carbon atoms. More preferred alkyl radicals are "lower alkyl” radicals having one to about ten carbon atoms.
  • lower alkyl radicals having one to about six carbon atoms.
  • examples of such radicals include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, iso-amyl, hexyl and the like.
  • alkenyl embraces linear or branched radicals having at least one carbon-carbon double bond of two to about twenty carbon atoms or, preferably, two to about twelve carbon atoms. More preferred alkenyl radicals are "lower alkenyl” radicals having two to about six carbon atoms. Examples of alkenyl radicals include ethenyl, propenyl, allyl, propenyl, butenyl and 4- methylbutenyl.
  • alkynyl denotes linear or branched radicals having two to about twenty carbon atoms or, preferably, two to about twelve carbon atoms. More preferred alkynyl radicals are "lower alkynyl” radicals having two to about ten carbon atoms. Most preferred are lower alkynyl radicals having two to about six carbon atoms. Examples of such radicals include propargyl, butynyl, and the like.
  • alkenyl "lower alkenyl” embrace radicals having “cis” and “trans” orientations, or alternatively, "E” and "Z” orientations.
  • cycloalkyl embraces saturated carbocyclic radicals having three to twelve carbon atoms. More preferred cycloalkyl radicals are “lower cycloalkyl” radicals having three to about eight carbon atoms. Examples of such radicals include cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
  • cycloalkenyl embraces partially unsaturated carbocyclic radicals having three to twelve carbon atoms. More preferred cycloalkenyl radicals are "lower cycloalkenyl” radicals having four to about eight carbon atoms.
  • radicals examples include cyclobutenyl, cyclopentenyl, cyclopentadienyl and cyclohexenyl.
  • halo means halogens such as fluorine, chlorine, bromine or iodine.
  • haloalkyl embraces radicals wherein any one or more of the alkyl carbon atoms is substituted with halo as defined above. Specifically embraced are monohaloalkyl, dihaloalkyl and polyhaloalkyl radicals.
  • a monohaloalkyl radical for one example, may have either an iodo, bromo, chloro or fluoro atom within the radical.
  • Dihalo and polyhaloalkyl radicals may have two or more of the same halo atoms or a combination of different halo radicals.
  • “Lower haloalkyl” embraces radicals having one to six carbon atoms. Examples of haloalkyl radicals include fluoromethyl, difluoromethyl, trifluoromethyl, chloromethyl, dichloromethyl, trichloromethyl, pentafluoroethyl, heptafluoropropyl, difluorochloromethyl, dichlorofluoromethyl, difluoroethyl, difluoropropyl, dichloroethyl and dichloropropyl.
  • hydroxyalkyl embraces linear or branched alkyl radicals having one to about ten carbon atoms any one of which may be substituted with one or more hydroxyl radicals. More preferred hydroxyalkyl radicals are "lower hydroxyalkyl” radicals having one to six carbon atoms and one or more hydroxyl radicals. Examples of such radicals include hydroxymethyl, hydroxyethyl, hydroxypropyl, hydroxybutyl and hydroxyhexyl.
  • alkoxy and alkyloxy embrace linear or branched oxy- containing radicals each having alkyl portions of one to about ten carbon atoms. More preferred alkoxy radicals are “lower alkoxy” radicals having one to six carbon atoms. Examples of such radicals include methoxy, ethoxy, propoxy, butoxy and tert-butoxy.
  • alkoxyalkyl embraces alkyl radicals having one or more alkoxy radicals attached to the alkyl radical, that is, to form monoalkoxyalkyl and dialkoxyalkyl radicals.
  • alkoxy radicals may be further substituted with one or more halo atoms, such as fluoro, chloro or bromo, to provide haloalkoxy radicals. More preferred haloalkoxy radicals are "lower haloalkoxy" radicals having one to six carbon atoms and one or more halo radicals. Examples of such radicals include fluoromethoxy, chloromethoxy, trifluoromethoxy, trifluoroethoxy, fluoroethoxy and fluoropropoxy.
  • aryl alone or in combination, means a carbocyclic aromatic system containing one, two or three rings wherein such rings may be attached together in a pendent manner or may be fused.
  • aryl embraces aromatic radicals such as phenyl, naphthyl, tetrahydronaphthyl, indane and biphenyl.
  • Aryl moieties may also be substituted at a substitutable position with one or more substituents selected independently from alkyl, alkoxyalkyl, alkyla inoalkyl, carboxyalkyl, alkoxycarbonylalkyl, aminocarbonylalkyl, alkoxy, aralkoxy, hydroxyl, amino, halo, nitro, alkylamino, acyl, cyano, carboxy, aminocarbonyl, alkoxycarbonyl and aralkoxycarbonyl.
  • heterocyclo saturated, partially unsaturated and unsaturated heteroatom-containing ring- shaped radicals, where the heteroatoms may be selected from nitrogen, sulfur and oxygen.
  • saturated heterocyclo radicals include saturated 3 to 6-membered heteromonocyclic groups containing 1 to 4 nitrogen atoms (e.g. pyrrolidinyl, imidazolidinyl, piperidino, piperazinyl, etc.); saturated 3 to 6- membered heteromonocyclic group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms (e.g.
  • heterocyclo radicals include dihydrothiophene, dihydropyran, dihydrofuran and dihydrothiazole.
  • heteroaryl embraces unsaturated heterocyclo radicals.
  • heteroaryl radicals examples include unsaturated 3 to 6 membered heteromonocyclic group containing 1 to 4 nitrogen atoms, for example, pyrrolyl, pyrrolinyl, imidazolyl, pyrazolyl, pyridyl, pyrimidyl, pyrazinyl, pyridazinyl, triazolyl (e.g., 4H-1,2,4- triazolyl, lH-l,2,3-triazolyl, 2H-l,2,3-triazolyl, etc.) tetrazolyl (e.g.
  • unsaturated condensed heterocyclo group containing 1 to 5 nitrogen atoms for example, indolyl, isoindolyl, indolizinyl, benzimidazolyl, quinolyl, isoquinolyl, indazolyl, benzotriazolyl, tetrazolopyridazinyl (e.g., tetrazolo[l,5-b]pyridazinyl, etc.), etc.
  • unsaturated 3 to 6-membered heteromonocyclic group containing an oxygen atom for example, pyranyl, furyl, etc.
  • unsaturated 3 to 6-membered heteromonocyclic group containing a sulfur atom for example, thienyl, etc.
  • unsaturated 3- to 6- membered heteromonocyclic group containing 1 to 2 oxygen atoms and 1 to 3 nitrogen atoms for example, indolyl, isoindolyl, indolizinyl, benzimidazo
  • benzoxazolyl, benzoxadiazolyl, etc. unsaturated 3 to 6- membered heteromonocyclic: group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms, for example, thiazolyl, thiadiazolyl (e.g., 1,2,4-thiadiazolyl, 1,3,4-thiadiazolyl, 1,2,5-thiadiazolyl, etc.) etc.; unsaturated condensed heterocyclo group containing 1 to 2 sulfur atoms and 1 to 3 nitrogen atoms (e-g- j benzothiazolyl, benzothiadiazolyl, etc.) and the like.
  • the term also embraces radicals where heterocyclo radicals are fused with aryl radicals.
  • fused bicyclic radicals examples include benzofuran, benzothiophene, benzopyran, and the like.
  • Said "heterocyclo group” may have 1 to 3 substituents such as alkyl, hydroxyl, halo, alkoxy, oxo, amino and alkylamino.
  • alkylthio embraces radicals containing a linear or branched alkyl radical, of one to about ten carbon atoms attached to a divalent sulfur atom. More preferred alkylthio radicals are "lower alkylthio" radicals having alkyl radicals of one to six carbon atoms.
  • alkylthioalkyl embraces radicals containing an alkylthio radical attached through the divalent sulfur atom to an alkyl radical of one to about ten carbon atoms. More preferred alkylthioalkyl radicals are "lower alkylthioalkyl” radicals having alkyl radicals of one to six carbon atoms. Examples of such lower alkylthioalkyl radicals include methylthiomethyl.
  • alkylsulfonyl embraces alkyl radicals attached to a sulfonyl radical, where alkyl is defined as above. More preferred alkylsulfonyl radicals are "lower alkylsulfonyl” radicals having one to six carbon atoms. Examples of such lower alkylsulfonyl radicals include methylsulfonyl, ethylsulfonyl and propyl sulfonyl.
  • the "alkylsulfonyl” radicals may be further substituted with one or more halo atoms, such as fluoro, chloro or bromo, to provide haloalkylsulfonyl radicals.
  • acyl denotes a radical provided by the residue after removal of hydroxyl from an organic acid.
  • acyl radicals include alkanoy] and aroyl radicals.
  • lower alkanoyl radicals include formyl, acetyl, propionyl, butyryl, isobutyryl, valeryl, isovaleryl, pivaloyl, hexanoyl and trifluoroacetyl.
  • aroyl embraces aryl radicals with a carbonyl radical as defined above. Examples of aroyl include benzoyl, naphthoyl, and the like and the aryl in said aroyl may be additionally substituted.
  • carboxy or “carboxyl”, whether used alone or with other terms, such as “carboxyalkyl”, denotes -CO2H.
  • carboxyalkyl embraces alkyl radicals substituted with a carboxy radical. More preferred are “lower carboxyalkyl” which embrace lower alkyl radicals as defined above, and may be additionally substituted on the alkyl radical with halo. Examples of such lower carboxyalkyl radicals include carboxymethyl, carboxyethyl and carboxypropyl.
  • alkoxycarbonyl means a radical containing an alkoxy radical, as defined above, attached via an oxygen atom to a carbonyl radical.
  • lower alkoxycarbonyl radicals with alkyl portions having 1 to 6 carbons.
  • lower alkoxycarbonyl (ester) radicals include substituted or unsubstituted methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, butoxycarbonyl and hexyloxycarbonyl.
  • alkylcarbonyl examples include radicals having alkyl, aryl and aralkyl radicals, as defined above, attached to a carbonyl radical.
  • examples of such radicals include substituted or unsubstituted methylcarbonyl, ethylcarbonyl, phenylcarbonyl and benzylcarbonyl.
  • aralkyl embraces aryl-substituted alkyl radicals such as benzyl, diphenylmethyl, triphenylmethyl, phenylethyl, and diphenylethyl.
  • the aryl in said aralkyl may be additionally substituted with halo, alkyl, alkoxy, haloalkyl and haloalkoxy.
  • benzyl and phenylmethyl are interchangeable.
  • heterocycloalkyl embraces saturated and partially unsaturated heterocyclo-substituted alkyl radicals, such as pyrrolidinylmethyl, and heteroarylsubstituted alkyl radicals, such as pyridylmethyl, quinolylmethyl, thienylmethyl, furylethyl, and quinolylethyl.
  • the heteroaryl in said heteroaralkyl may be additionally substituted with halo, alkyl, alkoxy, haloalkyl and haloalkoxy.
  • aralkoxy embraces aralkyl radicals attached through an oxygen atom to other radicals.
  • aralkoxyalkyl embraces aralkoxy radicals attached through an oxygen atom to an alkyl radical.
  • aralkylthio embraces aralkyl radicals attached to a sulfur atom.
  • aralkylthioalkyl embraces aralkylthio radicals attached through a sulfur atom to an alkyl radical.
  • aminoalkyl embraces alkyl radicals substituted with one or more amino radicals. More preferred are “lower aminoalkyl” radicals. Examples of such radicals include aminomethyl, aminoethyl, and the like.
  • alkylamino denotes amino groups that have been substituted with one or two alkyl radicals. Preferred are “lower N-alkylamino” radicals having alkyl portions having 1 to 6 carbon atoms. Suitable lower alkylamino may be mono or dialkylamino such as N-methylamino, N-ethylamino, N,N- dimethylamino, N,N-diethylamino or the like.
  • arylamino denotes amino groups that have been substituted with one or two aryl radicals, such as N-phenylamino.
  • the "arylamino” radicals may be further substituted on the aryl ring portion of the radical.
  • aralkylamino embraces aralkyl radicals attached through an amino nitrogen atom to other radicals.
  • N-arylaminoalkyl and “N-aryl-N-alkylaminoalkyl” denote amino groups which have been substituted with one aryl radical or one aryl and one alkyl radical, respectively, and having the amino group attached to an alkyl radical. Examples of such radicals include N-phenylaminomethyl and N-phenyl-N- methylaminomethyl.
  • aminocarbonyl denotes an amide group of the formula -
  • alkylaminocarbonyl denotes an aminocarbonyl group that has been substituted with one or two alkyl radicals on the amino nitrogen atom.
  • N-alkylaminocarbonyl and “N,N-dialkylaminocarbonyl” radicals. More preferred are “lower N-alkylaminocarbonyl” and “lower N,N- dialkylaminocarbonyl” radicals with lower alkyl portions as defined above.
  • aminocarbonylalkyl denotes a carbonylalkyl group that has been substituted with an amino radical on the carbonyl carbon atom.
  • alkylaminoalkyl embraces radicals having one or more alkyl radicals attached to an aminoalkyl radical.
  • aryloxyalkyl embraces radicals having an aryl radical attached to an alkyl radical through a divalent oxygen atom.
  • arylthioalkyl embraces radicals having an aryl radical attached to an alky] radical through a divalent sulfur atom.
  • Carbocycle means a hydrocarbon ring radical.
  • Carbocyclic rings are monocyclic or are fused, bridged, or spiro polycyclic rings. Unless otherwise specified, monocyclic rings contain from 3 to about 9 atoms, preferably from about 4 to about 7 atoms, and most preferably 5 or 6 atoms.
  • Polycyclic rings contain from about 7 to about 17 atoms, preferably from about 7 to about 14 atoms, and most preferably 9 or 10 atoms.
  • Carbocyclic rings (carbocycles) may be substituted or unsubstituted.
  • the term "purified” means partially purified and/or completely purified.
  • a “purified composition” may be either partially purified or completely purified.
  • the COX 2 inhibitor(s), as well as the second drug(s), useful in the inventive method for treating PD can be of any purity and quality such that the combinatiosn fo the COX 2 inhibitor(s) and second drug(s) is pharmaceutically acceptable.
  • any cyclooxygenase-2 selective inhibitor or isomer, pharmaceutically acceptable salt, ester, or prodrug thereof that meets the criteria described below can be used, along with any second drug, or isomer, pharmaceutically acceptable salt, ester, or prodrug thereof as described below, in the subject inventive method.
  • cyclooxygenase-2 inhibitor embraces compounds which selectively inhibit cyclooxygenase-2 over cyclooxygenase- 1, and also includes pharmaceutically acceptable salts of those compounds.
  • the selectivity of a COX 2 inhibitor varies depending upon the condition under which the test is performed and on the inhibitors being tested. However, for the purposes of this specification, the selectivity of a COX 2 inhibitor can be measured as a ratio of the in vitro or in vivo IC 50 value for inhibition of COX 1 , divided by the IC 5 ⁇ value for inhibition of COX 2 (COX 1 IC 50 /COX 2 IC JO ).
  • a COX 2 selective inhibitor is any inhibitor for which the ratio of COX 1 IC 50 to COX 2 IC 50 is greater than 1, preferably greater than 1.5, more preferably greater than 2, even more preferably greater than 5, yet more preferably greater than 10, still more preferably greater than 50, and more preferably still greater than 100.
  • IC 50 refers to the concentration of a compound that is required to produce 50% inhibition of cyclooxygenase activity.
  • Preferred cyclooxygenase-2 selective inhibitors of the present invention have a cyclooxygenase-2 IC 50 of less than about 5 ⁇ M, more preferred of less than about 1 ⁇ M.
  • Preferred cycloxoygenase-2 selective inhibitors have a cyclooxygenase-1 IC 50 of greater than about 1 ⁇ M, and more preferably of greater than 20 ⁇ M. Such preferred selectivity may indicate an ability to reduce the incidence of common NSAID-induced side effects.
  • prodrug refers to a chemical compound that is converted into an active COX 2 selective inhibitor by metabolic processes within the body.
  • a prodrug for a COX 2 selective inhibitor is parecoxib, which is a therapeutically effective prodrug of the tricyclic cyclooxygenase-2 selective inhibitor valdecoxib.
  • An example of a preferred COX 2 selective inhibitor prodrug is sodium parecoxib.
  • the cyclooxygenase-2 selective inhibitor of the present invention can be, for example, the COX 2 selective inhibitor [2-(2,4-Dichloro-6-ethyI-3,5- dimethyl-pheny]amino)-5-propyl-phenyl]-acetic acid, having Formula B-l, or an isomer or pharmaceutically acceptable salt, ester, or prodrug thereof.
  • the cyclooxygenase-2 selective inhibitor can be the COX 2 selective inhibitor RS 57067 or 6-[[5-(4- chlorobenzoyl)-! ,4-dimethyl-lH-pyrrol-2-yl]methyl]-3(2H)-pyridazinone, having Formula B-2 (CAS registry number 179382-91-3), or an isomer, a pharmaceutically acceptable salt, or prodrug thereof.
  • the cyclooxygenase-2 selective inhibitor is of the chromene structural class that is a substituted benzopyran or a substituted benzopyran analog, and even more preferably selected from the group consisting of substituted benzothiopyrans, dihydroquinolines, or dihydronaphthalenes having a structure shown by general Formulas (I) - (V), shown below, and possessing, by way of example and not limitation, the structures disclosed in Table 1, including the isomers, pharmaceutically acceptable salts, esters, and prodrugs thereof.
  • R a is alkyl; wherein R 1 is selected from the group consisting of H and aryl; wherein R 2 is selected from the group consisting of carboxyl, aminocarbonyl, alkylsulfonylaminocarbonyl and alkoxycarbonyl; wherein R 3 is selected from the group consisting of haloalkyl, alkyl, aralkyl, cycloalkyl and aryl optionally substituted with one or more radicals selected from alkylthio, nitro and alkylsulfonyl; and wherein each R 4 is independently selected from the group consisting of
  • the cyclooxygenase-2 selective inhibitor may also be a compound of Formula (I) or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof; wherein: n is an integer which is 0, 1, 2, 3 or 4; wherein:
  • G is O, S or R b ;
  • R ! is H; R b is alkyl;
  • R is selected from the group consisting of carboxyl, aminocarbonyl, alkylsulfonylaminocarbonyl and alkoxycarbonyl;
  • R 3 is selected from the group consisting of haloalkyl, alkyl, aralkyl, cycloalkyl and aryl, wherein haloalkyl, alkyl, aralkyl, cycloalkyl, and aryl each is independently optionally substituted with one or more radicals selected from the group consisting of alkylthio, nitro and alkylsulfonyl; and each R 4 is independently selected from the group consisting of hydrido, halo, alkyl, aralkyl, alkoxy, aryloxy, heteroaryloxy, aralkyloxy, heteroaralkyloxy, haloalkyl, haloalkoxy, alkylamino, arylamino, aralkylamino, heteroarylamino, heteroarylalkylamino, nitro, amino, aminosulfonyl, alkylaminosulfonyl, arylaminosulfonyl, heteroary
  • the cyclooxygenase-2 selective inhibitor may also be a compound of Formula (I), or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof; wherein: n is an integer which is 0, 1, 2, 3 or 4; G is oxygen or sulfur;
  • R 1 is H
  • R 2 is carboxyl, lower alkyl, lower aralkyl or lower alkoxycarbonyl
  • R 3 is lower haloalkyl, lower cycloalkyl or phenyl; and each R 4 is H, halo, lower alkyl, lower alkoxy, lower haloalkyl, lower haloalkoxy, lower alkylamino, nitro, amino, aminosulfonyl, lower alkylaminosulfonyl, 5-membered heteroarylalkylaminosulfonyl, 6-membered heteroarylalkylaminosulfonyl, lower aralkylaminosulfonyl, 5-membered nitrogen -containing heterocyclosulfonyl, 6-membered-nitrogen containing heterocyclosulfonyl, lower alkylsulfonyl, optionally substituted phenyl, lower aralkylcarbonyl, or lower alkylcarbonyl; or wherein R 4 together with the carbon atoms to which it is attached and the remainder of ring E forms a naphthyl radical.
  • the cyclooxygenase-2 selective inhibitor may also be a compound of Formula (I) or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof; wherein:
  • R 2 is carboxyl
  • R 3 is lower haloalkyl; and each R 4 is H, halo, lower alkyl, lower haloalkyl, lower haloalkoxy, lower alkylamino, amino, aminosulfonyl, lower alkylaminosulfonyl, 5- membered heteroarylalkylaminosulfonyl, 6-membered heteroarylalkylaminosulfonyl, lower aralkylaminosulfonyl, lower alkylsulfonyl, 6-membered nitrogen-containing heterocyclosulfonyl, optionally substituted phenyl, lower aralkylcarbonyl, or lower alkylcarbonyl; or wherein R 4 together with ring E forms a naphthyl radical.
  • the cyclooxygenase-2 selective inhibitor may also be a compound of Formula (I) or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof; wherein: n is an integer which
  • R 3 is fluoromethyl, chloromethyl, dichloromethyl, trichloromethyl, pentafluoroethyl, heptafluoropropyl, difluoroethyl, difluoropropyl, dichloroethyl, dichloropropyl, difluoromethyl, or trifluoromethyl; and each R 4 is H, chloro, fluoro, bromo, iodo, methyl, ethyl, isopropyl, tert- butyl, butyl, isobutyl, pentyl, hexyl, methoxy, ethoxy, isopropyloxy, tertbutyloxy, trifluoromethyl, difluoromethyl, trifluoromethoxy, amino, N,N- dimethylamino, N,N-diethylamino, N-phenylmethylaminosulfonyl, N- phenylethylaminosulfony
  • the cyclooxygenase-2 selective inhibitor may also be a compound of Formula (I) or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof; wherein: n is an integer which is 0, 1, 2, 3 or 4; R 3 is trifluoromethyl or pentafluoroethyl; and each R 4 is independently H, chloro, fluoro, bromo, iodo, methyl, ethyl, isopropyl, tert-butyl, methoxy, trifluoromethyl, trifluoromethoxy, N- phenyl ethylaminosulfonyl, N-phenylethylaminosulfonyl, N-(2- furylmethyl)aminosulfonyl, N,N-dimethyl aminosulfonyl, N- methylaminosulfonyl, N-(2,2-dimethylethyl)aminosulfonyl, dimethylaminosulfony
  • G is O or S
  • R 1 is H
  • R 2 is CO 2 H
  • R 3 is lower haloalkyl; a first R 4 corresponding to R 9 is hydrido or halo; a second R 4 corresponding to R 10 is H, halo, lower alkyl, lower haloalkoxy, lower alkoxy, lower aralkylcarbonyl, lower dialkylaminosulfonyl, lower alkylaminosulfonyl, lower aralkylaminosulfonyl, lower heteroaralkylaminosulfonyl, 5-membered nitrogen-containing heterocyclosulfonyl, or 6- membered nitrogen-containing heterocyclosulfonyl; a third R 4 corresponding to R 11 is H, lower alkyl, halo, lower alkoxy, or aryl; and a fourth R 4 corresponding to R 12 is H, halo, lower alkyl, lower alkoxy, and aryl; wherein Formula (I) is represented by Formula (la):
  • the cyclooxygenase-2 selective inhibitor used in connection with the method(s) of the present invention can also be a compound of having the structure of Formula (la) or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof; wherein:
  • R 8 is trifluoromethyl or pentafluoroethyl
  • R 9 is H, chloro, or fluoro
  • R 10 is H, chloro, bromo, fluoro, iodo, methyl, tert-butyl, trifluoromethoxy, methoxy, benzylcarbonyl, dimethylaminosulfonyl, isopropylaminosulfonyl, ethylaminosulfonyl, benzyl aminosulfonyl, phenylethylaminosulfonyl, methylpropylaminosulfonyl, methylsulfonyl, or morpholinosulfonyl
  • R ⁇ is H, methyl, ethyl, isopropyl, tert-butyl, chloro, methoxy, diethylamino, or phenyl; and
  • R 12 is H, chloro, bromo, fluoro, methyl, ethyl, tert-butyl, methoxy, or phenyl.
  • the present invention is also directed to a novel method for the treatment of PD comprising administering to a subject in need thereof a therapeutically effective amount of a cyclooxygenase-2 selective inhibitor comprising BMS-347070 (B-74), ABT 963 (B-25), NS-398 (B-26), L-745337
  • a cyclooxygenase-2 selective inhibitor comprising BMS-347070 (B-74), ABT 963 (B-25), NS-398 (B-26), L-745337
  • COX 2 inhibitors listed in Table 1A those listed in Table IB are chromene COX 2 inhibitors as indicated below:
  • the cyclooxygenase inhibitor when used in combination with any of the second drugs C-l to C-82 or categories of second drugs (e.g., dopamine agonists) listed in Table 2, can be selected from the class of tricyclic cyclooxygenase-2 selective inhibitors represented by the general structure of Formula (II):
  • D is selected from the group consisting of partially unsaturated or unsaturated heterocyclyl and partially unsaturated or unsaturated carbocyclic rings;
  • R*3 is selected from the group consisting of heterocyclyl, cycloalkyl, cycloalkenyl and aryl, wherein R 1 ⁇ is optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • Rl4 is selected from the group consisting of methyl or amino; and R ⁇ 5 is selected from the group consisting of a radical selected from H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonyl
  • the tricyclic cyclooxygenase-2 selective inhibitor(s), for use in connection with the method(s) of the present invention and in combination with any of the second drugs C-l to C-82 or categories of second drugs (e.g., dopamine agonists) listed in Table 2, are represented by the above Formula (II) and are selected from the group of compounds consisting of celecoxib (B-18), valdecoxib (B- 19), deracoxib (B-20), rofecoxib (B-21), etoricoxib (MK-663; B-22), JTE-522 (B-23), or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof.
  • the COX 2 selective inhibitor when used in combination with any of the second drugs C- 1 to C-82 or categories of second drugs (e.g., dopamine agonists) listed in Table 2, is selected from the group consisting of celecoxib, rofecoxib and etoricoxib.
  • parecoxib, (B-24) which is a therapeutically effective prodrug of the tricyclic cyclooxygenase-2 selective inhibitor valdecoxib, (B-19), may be advantageously employed as a source of a cyclooxygenase inhibitor (See, e.g., US 5,932,598) in connection with the method(s) in the present invention.
  • a preferred form of parecoxib is sodium parecoxib.
  • the compound ABT- 963 having the formula (B-25) that has been previously described in International Publication number WO 00/24719 is another tricyclic cyclooxygenase-2 selective inhibitor which may be advantageously employed, in connection with the method(s) of the present invention.
  • B-25 Another preferred cyclooxygenase-2 selective inhibitor that is useful in connection with the method(s) of the present invention is N-(2- cyclohexyloxynitrophenyl)-methane sulfonamide (NS-398) — having a structure shown below as B-26.
  • Applications of this compound have been described by, for example, Yoshimi, N. et al, in Japanese J. Cancer Res., 90(4) .-406 - 412 (1999); Falgueyret, J.-P. et al, in Science Spectra, available at: http://www.gbhap.com/Science_Spectra/20-l-article.htm (06/06/2001); and Iwata, K. et al, m Jpn. J. Pharmacol, 75(2):l9l - 194 (1997).
  • COX 2 inhibitors may be preferred for the treatment of PD which include, but are not limited to, B-l to
  • the cyclooxygenase inhibitor used in connection with the method(s) of the present invention can be selected from the class of phenylacetic acid derivative cyclooxygenase-2 selective inhibitors represented by the general structure of Formula (III):
  • R .16 is methyl or ethyl
  • R 17 is chloro or fluoro
  • R is hydrogen or fluoro
  • R 19 is hydrogen, fluoro, chloro, methyl, ethyl, methoxy, ethoxy or hydroxy
  • R is hydrogen or fluoro
  • R 2 ' is chloro, fluoro, trifluoromethyl or methyl, provided that R 17 , R 18 , R 19 and R 20 are not all fluoro when R 16 is ethyl and R 19 is H.
  • a particularly preferred phenylacetic acid derivative cyclooxygenase-2 selective inhibitor used in connection with the method(s) of the present invention is a compound that has the designation of COX 189 (B-211) and that has the structure shown in Formula (III) or an isomer, a pharmaceutically acceptable salt, ester, or prodrug thereof, wherein:
  • R 16 is ethyl
  • R !7 and R 19 are chloro
  • Drugs that may be effective as second drugs in combination with the COX 2 inhibitors include neurotrophic factors, dopaminergics, dopamine agonists, neuronal nicotinic receptor agonists, k opioid receptor agonists, adenosine antagonists, glutamate antagonists, dopamine transport inhibitors, anticholinergics, enzyme inhibitors, atypical neuroletics, selective serotonin reuptake inhibitors, monoamine reuptake inhibitors, anti-apoptotics, adrenocortical steroids, antioxidants, drugs offsetting side effects of PD medications, and drugs that otherwise treat PD by known or unknown mechanisms.
  • neurotrophic factors include, but are not limited to, GPI- 1046 and GDNF.
  • dopaminergics include, but are not limited to, levodopa, levodopa/carbidopa (Sinemet ® or Madopar ® ), levodopa benserazide and amantadine (Sym etrel ).
  • dopamine agonists include, but are not limited to, su anirole, pergolide (Permax ® ), pramipexole or its hydrochloride salt (Mirapex ® ), ropinirole or its hydrochloride salt (Requip ® ), bromocriptine (Parlodel ® ), lisuride or 9,10 dihydrolisuride, apomorphine or N-propylnoraporphine, N-propyl noraporphine, PHNO, N-0437 (racemate) and N-0923 (purified negative enantiomer), cabergohne, ciladopa, ABT-431 and lergotrile.
  • neuronal nicotinic receptor agonists include, but are not limited to, SIB1508Y and ABT418.
  • k opioid receptor agonists include, but are not limited to, eradoline and U-69,593.
  • adenosine antagonists include, but are not limited to, KW6002.
  • glutamate antagonists include, but are not limited to, remacemide, dextromethorphan, and riluzole.
  • dopamine transport inhibitors include, but are not limited to NS- 2214.
  • anticholinergics include, but are not limited to benzhexol, trihexyphenidyl or its hydrochloride salt (Artane ), benzotropine or its hydrochloride salt (Cogentin ® ), diphenhydramine hydrochloride (Benadryl ® ), orphenadrine or its hydrochloride salt (Disipal ® ), chlorphenoxamine or its hydrochloride salt (Phenoxene ® ), a itriptyline, doxepin, imipramine, nortriptyline, biperiden or its hydrochloride salt (Akineton ® ), ethopropazine, procyclidine or its hydrochloride salt (Kemadrin ® ), cycrimine or its hydrochloride salt, and ethopropzaine or its hydrochloride salt (Parsidol ® ).
  • Articlee benzhexol, trihexyphenidyl or its hydroch
  • enzyme inhibitors include, but are not limited to, selegiline or its hydrochloride salt (Elderpryl ® or Deprenyl ® ), lazabemide, rasagiline, moclobemide, entacapone (Contan ® ), tolcapone (Tasmar ), nitecapone and Ro 40-7592.
  • atypical neuroletics include, but are not limted to clozapine, risperidone, olanzapine (Zyprexa ® ) and quetiapine.
  • selective serotonin reuptake inhibitors include, but are not limited to, fluoxetine (Prozac ® ), paroxetine (Paxil ) and serataline (Zoloft ® ).
  • a non- limiting example of a monoamine reuptake inhibitor is reboxetine.
  • Reboxetine is 2-[ ⁇ -(2-ethoxy) phenoxy-benzyljmorpholine and its preparation is described in U.S. Pat. No. 4,229,449. The structure of reboxetine is:
  • Reboxetine is described in one or more of the following U.S. patents as a reuptake inhibitor of the monoamine norepinephrine: 6,290,986 Bl; 6,229,010 Bl; 6,096,742 Bl; 6,191,133 Bl; 6,184,222 Bl; 6,117,855; 6,066,643; 6,028,070; 6,046,193; and 4,229,449.
  • anti-apoptotics include, but are not limited to, CGP 3466 (described by Sagot et al., Br J Pharmacol 2000 Oct; 131(4):721-8) and CEP-1347/KT-7515 (described by Saporito et al, JPET 288(2):421-7, 1999).
  • adrenocortical steroids include, but are not limited to oxandrolone, creatine, erythropeotin and dehydroepiandrosterone (DHEA).
  • antioxidants include, but are not limited to superoxide dismutase, glutathione, glutathione peroxidase, catalase, nitric oxide synthase, tocopherol (Vitamin E), ascorbic acid (Vitamin C), selenium, cetylcysteine, seleginine (Deprenyl ® ), pycnogenol, co-enzyme Q10 and beta carotene.
  • Examples of drugs offsetting side effects of PD medications include, but are not limited to, odansetron (Zofran ® ).
  • Examples of drugs that otherwise treat PD by known or unknown mechanisms include, but are not limited to, propanolol and memantadine.
  • cyclooxygenase-2 selective inhibitors described previously may be referred to herein collectively as COX 2 selective inhibitors, or cyclooxygenase-2 selective inhibitors.
  • Cyclooxygenase-2 selective inhibitors as well as second drugs that are useful in the present invention can be supplied by any source as long as the combination of drugs is pharmaceutically acceptable. Cyclooxygenase-2- selective inhibitors and second drugs can be isolated and purified from natural sources or can be synthesized. The combination of the cyclooxygenase-2 - selective inhibitor(s) and second drug(s) should be of a quality and purity that is conventional in the trade for use in pharmaceutical products.
  • a subject in need of treatment of PD is treated with an amount of at least one COX 2 selective inhibitor and an amount of at least one second drug, where the amount of the COX 2 selective inhibitor together with the amount of second drug is sufficient to constitute a therapeutically effective amount for treating PD.
  • an "effective amount” or “therapeutically effective amount” means the dose or effective amount to be administered to a patient and the frequency of administration to the subject which is sufficient to obtain a therapeutic effect as readily determined by one of ordinary skill in the art, by the use of known techniques and by observing results obtained under analogous circumstances.
  • the dose or effective amount to be administered to a patient and the frequency of administration to the subject can be readily determined by one of ordinary skill in the art by the use of known techniques and by observing results obtained under analogous circumstances.
  • a number of factors are considered by the attending diagnostician, including but not limited to, the potency and duration of action of the compounds used; the nature and severity of the illness to be treated as well as on the sex, age, weight, general health and individual responsiveness of the patient to be treated, and other relevant circumstances.
  • the phrase "therapeutically effective” indicates the capability of a combination of agents to prevent, or reduce the severity of, the disorder or its undesirable symptoms, while avoiding adverse side effects typically associated with alternative therapies.
  • dosages may also be determined with guidance from Goodman & Goldman's The Pharmacological Basis of Therapeutics. Ninth Edition (1996), Appendix II, pp.
  • the amounts of the COX 2 selective inhibitor and the second drug that are used in the subject method may be amounts that, together, are sufficient to constitute an effective amount for PD treatment or prevention.
  • the amount of COX 2 selective inhibitor that is used in the novel method of treatment preferably ranges from about 0.001 to about 100 milligrams per day per kilogram of body weight of the subject (mg/day-kg), more preferably from about 0.05 to about 50 mg/day-kg, even more preferably from about 1 to about 20 mg/day-kg.
  • the amount of the second drug, used in combination with the COX 2 selective inhibitor preferably ranges from about 0.001 to about 100 milligrams per day per kilogram of body weight of the subject (mg/day-kg), more preferably from about 0.1 to about 10 mg/day-kg, even more preferably from about 0.5 to about 2 mg/day-kg.
  • the weight ratio of the amount(s) of COX 2 inhibitor(s) administered to the amount(s) of second drug(s) administered is from about 0.002 to about 10, more preferably from about 0.1 to about 5.
  • the COX 2 selective inhibitor comprises rofecoxib
  • it is preferred that the amount used is within a range of from about 0.15 to about 1.0 mg/day-kg, and even more preferably from about 0.18 to about 0.4 mg/day-kg.
  • the COX 2 selective inhibitor comprises etoricoxib
  • the amount used is within a range of from about 0.5 to about 5 mg/day-kg, and even more preferably from about 0.8 to about 4 mg/day-kg.
  • the COX 2 selective inhibitor comprises celecoxib
  • the amount used is within a range of from about 1 to about 20 mg/day-kg, even more preferably from about 1.4 to about 8.6 mg/day-kg, and yet more preferably from about 2 to about 3 mg/day-kg.
  • the COX 2 selective inhibitor comprises valdecoxib
  • the amount used is within a range of from about 0.1 to about 5 mg/day-kg, and even more preferably from about 0.8 to about 4 mg/day-kg.
  • the COX 2 selective inhibitor comprises parecoxib
  • the amount used is within a range of from about 0.1 to about 5 mg/day-kg, and even more preferably from about 1 to about 3 mg/day-kg.
  • the COX 2 selective inhibitor comprises rofecoxib
  • the amount used is from about 10 to about 75 g/day, more preferably from about 12.5 to about 50 mg/day.
  • the COX 2 selective inhibitor comprises etoricoxib
  • the amount used is from about 50 to about 100 mg/day, more preferably from about 60 to about 90 mg/day.
  • the COX 2 selective inhibitor comprises celecoxib
  • the amount used is from about 100 to about 1000 mg/day, more preferably from about 200 to about 800 mg/day.
  • the COX 2 selective inhibitor comprises valdecoxib
  • the amount used is from about 5 to about 100 mg/day, more preferably from about 10 to about 60 mg/day.
  • the COX 2 selective inhibitor comprises parecoxib
  • the amount used is within a range of from about 10 to about 100 mg/day, more preferably from about 20 to about 80 mg/day.
  • COX 2 selective inhibitor(s) and second drugs that are described above can be provided in a therapeutic composition so that the preferred amounts thereof is/are supplied by a single dosage, a single capsule for example, or, by up to four, or more, single dosage forms.
  • the COX 2 inhibitor(s) and the second drug(s) may be administered substantially simultaneously, meaning that both agents may be provided in a single dosage, for example by mixing the agents and inco ⁇ orating the mixture into a single capsule. Otherwise, the COX 2 inhibitor(s) and second drug(s) may be administered substantially simultaneously by administration in separate dosages within a short time period, for example within 5 minutes or less. Alternatively, the COX 2 inhibitor(s) and second drug(s) may be administered sequentially, meaning that separate dosages, and possibly even separate dosage forms of the COX 2 inhibitors) and second drugs(s) may be administered at separate times, for example on a staggered schedule but with equal frequency of administration of the COX 2 inhibitor(s) and the second drug(s). Of course, it is also possible that the COX 2 inhibitor(s) may be administered either more or less frequently than the second drug(s). In any case, it is preferable that, among successive time periods of a sufficient length, for example one day, the weight ratio of the
  • COX 2 inhibitor(s) administered to the weight ratio of the second drug(s) administered remains constant.
  • pharmaceutically effective amount shall mean that amount of a drug or pharmaceutical agent that will elicit the biological or medical response of a tissue, system, animal or human that is being sought by a researcher or clinician. This amount can be a therapeutically effective amount.
  • pharmaceutically acceptable is used herein to mean that the modified noun is appropriate for use in a pharmaceutical product.
  • Pharmaceutically acceptable cations include metallic ions and organic ions.
  • More preferred metallic ions include, but are not limited to, appropriate alkali metal salts, alkaline earth metal salts and other physiological acceptable metal ions.
  • Exemplary ions include aluminum, calcium, lithium, magnesium, potassium, sodium and zinc in their usual valences.
  • Preferred organic ions include protonated tertiary amines and quaternary ammonium cations, including in part, trimethylamine, diethylamine, N,N'- dibenzylethylenediamine, chloroprocaine, choline, diethanolamine, ethylenediamine, meglumine (N-methylglucamine) and procaine.
  • Exemplary pharmaceutically acceptable acids include, without limitation, hydrochloric acid, hydroiodic acid, hydrobromic acid, phosphoric acid, sulfuric acid, methanesulfonic acid, acetic acid, formic acid, tartaric acid, maleic acid, malic acid, citric acid, isocitric acid, succinic acid, lactic acid, gluconic acid, glucuronic acid, pyruvic acid oxalacetic acid, fumaric acid, propionic acid, aspartic acid, glutamic acid, benzoic acid, and the like.
  • Isomers of COX 2 inhibitors and second drugs include their diastereomers, enantiomers, and racemates as well as their structural isomers.
  • Illustrative pharmaceutically acceptable salts are prepared from formic, acetic, propionic, succinic, glycolic, gluconic, lactic, malic, tartaric, citric, ascorbic, glucuronic, maleic, fumaric, pyruvic, aspartic, glutamic, benzoic, anthranilic, mesylic, stearic, salicylic, p-hydroxybenzoic, phenylacetic, mandelic, embonic (pamoic), methanesulfonic, ethanesulfonic, benzenesulfonic, pantothenic, toluenesulfonic, 2-hydroxyethanesulfonic, sulfanilic, cyclohexylaminosulfonic, algenic, ⁇ -hydroxybutyric, galactaric, and galacturonic acids.
  • Suitable pharmaceutically-acceptable base addition salts of compounds used in connection with the method(s) of the present invention include metallic ion salts and organic ion salts. More preferred metallic ion salts include, but are not limited to, appropriate alkali metal (group la) salts, alkaline earth metal (group Ila) salts and other physiological acceptable metal ions. Such salts can be made from the ions of aluminum, calcium, lithium, magnesium, potassium, sodium and zinc.
  • Preferred organic salts can be made from tertiary amines and quaternary ammonium salts, including in part, trimethylamine, diethylamine, N,N'-dibenzylethylenediamine, chloroprocaine, choline, diethanolamine, ethylenediamine, meglumine (N-methylglucamine) and procaine. All of the above salts can be prepared by those skilled in the art by conventional means from the corresponding compound of the present invention.
  • Pharmaceutically acceptable esters include, but are not limited to, the alkyl esters of both the COX 2 inhibitors and the second drugs.
  • the second drug levodopa may be administered as its methyl ester or its ethyl ester.
  • the method of the present invention is useful for, but not limited to, the prevention, inhibition, and/or treatment of PD.
  • PD and "cyclooxygenase-2 mediated disorder” are meant to include, without limitation, each of the symptoms associated with Parkinson's disease that is mentioned in this application.
  • the present method includes the treatment, inhibition and/or prevention of a cyclooxygenase-2 mediated disorder in a subject, where the method comprises treating the subject having or susceptible to the disorder with a combined therapeutically-effective amount of the cyclooxygenase-2 selective inhibitor(s) and second drug(s) that are described in this specification.
  • This method is useful where the cyclooxygenase-2 mediated disorder is PD.
  • treating means to alleviate symptoms, eliminate the causation either on a temporary or permanent basis, or to prevent or slow the appearance of symptoms.
  • treatment includes alleviation, elimination of causation of or prevention of undesirable symptoms associated with PD. Besides being useful for human treatment, these combinations are also useful for treatment of mammals, including horses, dogs, cats, rats, mice, sheep, pigs, etc.
  • subject for purposes of treatment includes any human or animal subject who is in need of the prevention of, or who has pain, inflammation and or any one of the known inflammation-associated disorders. The subject is typically a human subject.
  • the subject is any human or animal subject, and preferably is a subject that is in need of prevention and/or treatment of
  • the subject may be a human subject who is at risk for PD.
  • the subject may be at risk for PD due to genetic predisposition, lifestyle, diet, exposure to disorder-causing agents, exposure to pathogenic agents and the like.
  • the COX 2 pharmaceutical composition(s) and second drug(s) may be administered enterally and parenterally.
  • Parenteral administration includes subcutaneous, intramuscular, intradermal, intramammary, intravenous, and other administrative methods known in the art.
  • Enteral administration includes solution, tablets, sustained release capsules, enteric coated capsules, and syrups.
  • the pharmaceutical composition may be at or near body temperature.
  • administration in defining the use of both a cyclooxygenase-2 inhibitor agent and a second drug is intended to embrace administration of each agent in a manner and in a regimen that will provide beneficial effects of the drug combination therapy, and is intended as well to embrace co-administration of 2 or more of the COX 2 agents in a substantially simultaneous manner and/or 2 or more of the second drugs in a substantially simultaneous manner, such as in a single capsule or dosage device having a fixed ratio of these active agents or in multiple, separate capsules or dosage devices for each agent, where the separate capsules or dosage devices can be taken together contemporaneously, or taken within a period of time sufficient to receive a beneficial effect from the constituent COX 2 agent and second drug used in combination.
  • the treatment of PD in accordance with the present invention comprises administering a COX 2 enzyme inhibitor in combination with levodopa
  • levodopa in combination with a decarboxylase enzyme inhibitor such as carbidopa or benserazide.
  • a decarboxylase enzyme inhibitor such as carbidopa or benserazide.
  • compositions of one or more COX 2 inhibitors and one or more second drugs in connection with the method(s) of the present invention can be administered orally, for example, as tablets, coated tablets, dragees, troches, lozenges, gums, aqueous or oily suspensions, dispersible powders or granules, emulsions, hard or soft capsules, or syrups or elixirs.
  • Compositions intended for oral use may be prepared according to any method known in the art for the manufacture of pharmaceutical compositions and such compositions may contain one or more agents selected from the group consisting of sweetening agents, flavoring agents, coloring agents and preserving agents in order to provide pharmaceutically elegant and palatable preparations.
  • Tablets contain the active ingredient in admixture with non-toxic pharmaceutically acceptable excipients which are suitable for the manufacture of tablets.
  • excipients may be, for example, inert diluents, such as calcium carbonate, sodium carbonate, lactose, calcium phosphate or sodium phosphate; granulating and disintegrating agents, for example, maize starch, or alginic acid; binding agents, for example starch, gelatin or acacia, and lubricating agents, for example magnesium stearate, stearic acid or talc.
  • the tablets may be uncoated or they may be coated by known techniques to delay disintegration and adsorption in the gastrointestinal tract and thereby provide a sustained action over a longer period.
  • a time delay material such as glyceryl monostearate or glyceryl distearate may be employed.
  • Formulations for oral use may also be presented as hard gelatin capsules wherein the active ingredients are mixed with an inert solid diluent, for example, calcium carbonate, calcium phosphate or kaolin, or as soft gelatin capsules wherein the active ingredients are present as such, or mixed with water or an oil medium, for example, peanut oil, liquid paraffin, or olive oil.
  • Aqueous suspensions can be produced that contain the active materials in admixture with excipients suitable for the manufacture of aqueous suspensions.
  • excipients are suspending agents, for example, sodium carboxymethylcellulose, methylcellulose, hydroxypropylmethyl-cellulose, sodium alginate, polyvinylpyrrolidone gum tragacanth and gum acacia; dispersing or wetting agents may be naturally-occurring phosphatides, for example lecithin, or condensation products of an alkylene oxide with fatty acids, for example polyoxyethylene stearate, or condensation products of ethylene oxide with long chain aliphatic alcohols, for example heptadecaethyleneoxycetanol, or condensation products of ethylene oxide with partial esters derived from fatty acids and a hexitol such as polyoxyethylene sorbitol monooleate, or condensation products of ethylene oxide with partial esters derived from fatty acids and hexitol anhydrides, for example polyoxyethylene sorbitan monooleate.
  • dispersing or wetting agents may be naturally-occurring phosphatides, for example lecithin, or condensation products of an
  • the aqueous suspensions may also contain one or more preservatives, for example, ethyl or n-propyl p-hydroxybenzoate, one or more coloring agents, one or more flavoring agents, or one or more sweetening agents, such as sucrose or saccharin.
  • preservatives for example, ethyl or n-propyl p-hydroxybenzoate, one or more coloring agents, one or more flavoring agents, or one or more sweetening agents, such as sucrose or saccharin.
  • Oily suspensions may be formulated by suspending the active ingredients in an omega-3 fatty acid, a vegetable oil, for example arachis oil, olive oil, sesame oil or coconut oil, or in a mineral oil such as liquid paraffin.
  • the oily suspensions may contain a thickening agent, for example beeswax, hard paraffin or cetyl alcohol.
  • Sweetening agents such as those set forth above, and flavoring agents may be added to provide a palatable oral preparation. These compositions may be preserved by the addition of an antioxidant such as ascorbic acid.
  • Dispersible powders and granules suitable for preparation of an aqueous suspension by the addition of water provide the active ingredient in admixture with a dispersing or wetting agent, a suspending agent and one or more preservatives. Suitable dispersing or wetting agents and suspending agents are exemplified by those already mentioned above. Additional excipients, for example sweetening, flavoring and coloring agents, may also be present.
  • Syrups and elixirs containing the novel combination may be formulated with sweetening agents, for example glycerol, sorbitol or sucrose. Such formulations may also contain a demulcent, a preservative and flavoring and coloring agents.
  • compositions of COX 2 inhibitor(s) and second drug(s) in connection with the present inventive method can also be administered parenterally, either subcutaneously, or intravenously, or intramuscularly, or intrasternally, or by infusion techniques, in the form of sterile injectable aqueous or olagenous suspensions.
  • Such suspensions may be formulated according to the known art using those suitable dispersing of wetting agents and suspending agents which have been mentioned above, or other acceptable agents.
  • the sterile injectable preparation may also be a sterile injectable solution or suspension in a non-toxic parenterally-acceptable diluent or solvent, for example as a solution in 1,3-butanediol.
  • Suitable vehicles and solvents that may be employed are water, Ringer's solution and isotonic sodium chloride solution.
  • sterile, fixed oils are conventionally employed as a solvent or suspending medium.
  • any bland fixed oil may be employed including synthetic mono- or diglycerides.
  • n-3 polyunsaturated fatty acids may find use in the preparation of injectables.
  • compositions of COX 2 inhibitors) and second drug(s) in connection with the present inventive method can also be administered by inhalation, in the form of aerosols or solutions for nebulizers, or rectally, in the form of suppositories prepared by mixing the drug with a suitable non-irritating excipient which is solid at ordinary temperature but liquid at the rectal temperature and will therefore melt in the rectum to release the drug.
  • suitable non-irritating excipient which is solid at ordinary temperature but liquid at the rectal temperature and will therefore melt in the rectum to release the drug.
  • Such materials are cocoa butter and poly-ethylene glycols.
  • compositions of COX 2 inhibitor(s) and second drug(s) in connection with the present inventive method can also be administered topically, in the form of patches, creams, ointments, jellies, collyriums, solutions or suspensions.
  • the compositions of the present invention can be administered by routes of administration other than topical administration.
  • the COX 2 inhibitor(s) and second drug(s) may be administered separately, with each agent administered by any of the above mentioned administration routes.
  • the COX 2 inhibitor(s) may be administered orally in any or the above mentioned forms
  • the second drug(s) is/are administered topically (e.g. as a cream).
  • Daily dosages can vary within wide limits and will be adjusted to the individual requirements in each particular case. In general, for administration to adults, an appropriate daily dosage has been described above, although the limits that were identified as being preferred may be exceeded if expedient.
  • the daily dosage can be administered as a single dosage or in divided dosages.
  • Various delivery systems include capsules, tablets, and gelatin capsules, for example.
  • Tables 4 and 5 list various dosage forms of the pharmaceutical composition for use in conjunction with the method of the present invention. Note that the dosage forms in Table 5 exclude all dosage forms that may be transdermally applied. By contrast, Table 6 includes such transdermally applied dosage forms. Table 4

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Abstract

L'invention concerne une méthode de traitement, de prévention, ou d'inhibition de la maladie de Parkinson, chez un sujet nécessitant ce traitement, son inhibition ou sa prévention. Cette méthode consiste à traiter le sujet à l'aide d'un ou de plusieurs inhibiteurs sélectifs de cyclooxygénase-2, ou d'un ou de plusieurs isomères, ou d'un ou de plusieurs sels pharmaceutiquement acceptables, ou d'un ou de plusieurs esters, ou d'un ou de plusieurs promédicaments de ceux-ci, en combinaison avec un ou avec plusieurs seconds médicaments, la quantité d'inhibiteur(s) sélectif(s) de cyclooxygénase-2, ou d'isomère(s), de sel(s) pharmaceutiquement acceptable(s), d'ester(s) ou de promédicament(s) de ceux-ci, combiné à la quantité de second(s) médicament(s), constituant une dose efficace pour le traitement, l'inhibition ou la prévention de la maladie de Parkinson.
EP03719717A 2002-04-18 2003-04-14 Therapie combinatoire pour le traitement de la maladie de parkinson a l'aide d'un ou de plusieurs inhibiteurs de cyclooxygenase-2 (cox 2) Withdrawn EP1494664A2 (fr)

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WO2003088958A2 (fr) 2003-10-30
BR0309259A (pt) 2005-02-09
CA2481934A1 (fr) 2003-10-30
JP2005528403A (ja) 2005-09-22
AU2003223579A1 (en) 2003-11-03
AU2003223579A8 (en) 2003-11-03
MXPA04009352A (es) 2005-01-25
US20040034083A1 (en) 2004-02-19
WO2003088958A3 (fr) 2004-08-19

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